When it comes to testing firefighter turnouts for contamination, which we outlined in part one, there are also limitations of the sampling itself. Testing turnout gear for contamination levels involves taking small samples from selected areas of the garment. These samples generally measure around 6" x 6" square.
http://www.firerescue1.com/fire-products/Personal-protective-equipment-ppe/articles/1077936-How-contaminated-turnouts-are-analyzed/
